TestModules/plugins/GlobalFloatAnalyzer.cc

0001 #include "FWCore/Framework/interface/Event.h"
0002 #include "FWCore/Framework/interface/global/EDAnalyzer.h"
0003 #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
0004 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0005 #include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
0006 #include "FWCore/Utilities/interface/EDGetToken.h"
0007 #include "FWCore/Utilities/interface/Exception.h"
0008 #include "FWCore/Utilities/interface/InputTag.h"
0009
0010 namespace edmtest {
0011
0012   class GlobalFloatAnalyzer : public edm::global::EDAnalyzer<> {
0013   public:
0014     explicit GlobalFloatAnalyzer(edm::ParameterSet const& ps);
0015
0016     void analyze(edm::StreamID sid, edm::Event const& event, edm::EventSetup const& es) const override;
0017
0018     static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
0019
0020   private:
0021     edm::EDGetTokenT<float> token_;
0022     float expected_;
0023   };
0024
0025   GlobalFloatAnalyzer::GlobalFloatAnalyzer(edm::ParameterSet const& config)
0026       : token_(consumes(config.getParameter<edm::InputTag>("source"))),
0027         expected_(static_cast<float>(config.getParameter<double>("expected"))) {}
0028
0029   void GlobalFloatAnalyzer::analyze(edm::StreamID sid, edm::Event const& event, edm::EventSetup const& es) const {
0030     float value = event.get(token_);
0031     if (value != expected_) {
0032       throw cms::Exception("LogicError") << "expected value \"" << expected_ << "\"\nreceived value \"" << value << '"';
0033     }
0034   }
0035
0036   void GlobalFloatAnalyzer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0037     edm::ParameterSetDescription desc;
0038     desc.add<edm::InputTag>("source");
0039     desc.add<double>("expected", 0.);
0040     descriptions.addDefault(desc);
0041   }
0042
0043 }  // namespace edmtest
0044
0045 #include "FWCore/Framework/interface/MakerMacros.h"
0046 DEFINE_FWK_MODULE(edmtest::GlobalFloatAnalyzer);